OFFSET
1,4
LINKS
Antti Karttunen, Table of n, a(n) for n = 1..65537
PROG
(PARI) A329039(n) = if(n<=1, 0, my(f=factor(n)); n*sum(i=1, #f~, ((f[i, 2]-1)/f[i, 1])));
CROSSREFS
KEYWORD
nonn
AUTHOR
Antti Karttunen, Nov 07 2019
STATUS
approved